package com.example.findviewbyid_test;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends Activity {

	private TextView TextView1;
	private Button button1;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		
		//1 效能不好
//		final Button button1 = (Button) findViewById(R.id.button1);
//		final TextView TextView1 = (TextView) findViewById(R.id.textView1);
		
		//2 正常寫法
				button1 = (Button) findViewById(R.id.button1);
				TextView1 = (TextView) findViewById(R.id.textView1);
				
				button1.setOnClickListener(new View.OnClickListener() {
					
					@Override
					public void onClick(View v) {
						// TODO Auto-generated method stub
						TextView1.setText("測試成功");
					}
				});
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

}
